At Tweefontein United Collieries Limited, coal is won from No. 2 and No. 4 seams. The coal is hand-loaded underground into tube and arrives at the tipplers via the Western shaft and the Klipplaat shaft.
Reference:
Raab, G. 1972. Size distribution of run-of-mine coal. Tweefontein united collieries limited. http://hdl.handle.net/10204/12947 .
Raab, G. (1972). Size distribution of run-of-mine coal. Tweefontein united collieries limited Retrieved from http://hdl.handle.net/10204/12947
Raab, GA Size distribution of run-of-mine coal. Tweefontein united collieries limited. 1972. http://hdl.handle.net/10204/12947
Raab G. Size distribution of run-of-mine coal. Tweefontein united collieries limited. 1972 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12947
